Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
From inside the book
Results 1-3 of 3
Page 220
... zone and a decrease in the rate of subsidence so that marginal marine processes rework and redistribute the sediment along the shore . Wave reworking of delta front sands under transgressive conditions produced barrier islands that ...
... zone and a decrease in the rate of subsidence so that marginal marine processes rework and redistribute the sediment along the shore . Wave reworking of delta front sands under transgressive conditions produced barrier islands that ...
Page 226
... zones respectively ( Boucot 1975 ) ; benthic assemblages 3 , 4 and 5 represent increasingly deep subtidal areas on the continental shelf , and benthic assemblage 6 represents deeper water beyond the local shelf edge . For the Malvinok ...
... zones respectively ( Boucot 1975 ) ; benthic assemblages 3 , 4 and 5 represent increasingly deep subtidal areas on the continental shelf , and benthic assemblage 6 represents deeper water beyond the local shelf edge . For the Malvinok ...
Page 227
... zone intertidal zone BA Benthic Assemblage Fig . 9. Schematic representation of the communities and benthic assemblages recognized in the Witteberg Group , showing their relationship to depth and distance from the shore line . ( After ...
... zone intertidal zone BA Benthic Assemblage Fig . 9. Schematic representation of the communities and benthic assemblages recognized in the Witteberg Group , showing their relationship to depth and distance from the shore line . ( After ...
Other editions - View all
Common terms and phrases
abbreviated AFRICA articulate brachiopods barrier islands benthic assemblages BENTHIC COMMUNITIES bicuspidata Gould bivalves bivalves and possible Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes Chonetid Community comma cross-bedded deeper-water subtidal conditions delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna Formation near Touws Frasnian gastropod genus Givetian Grahamstown high-diversity holotype homalonotid trilobite horizontal lamination Howison's Poort inarticulate infaunal interpreted Leda Lingula lepta LOWER WITTEBERG GROUP Museum Natural History namacolus Orbiculoidea overlain paratypes parentheses pedicle valve punctuation salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline shouldered italics siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid Community Stratigraphic subheadings are shouldered suspension feeders SWARTRUGGENS FORMATION Synonymy Tankard & Barwis taxa Theron thin tidal tidal-flat Touws River trace fossils Trigonoglossa Tropidoleptus sp Upper Devonian upward-fining cycles Wagen Drift Formation wash-over Weltevrede Formation Western Cape Witpoort Formation yielded marine invertebrate